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EN 1.4941 Stainless Steel vs. EN 1.7216 Steel

Both EN 1.4941 stainless steel and EN 1.7216 steel are iron alloys. They have 71% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4941 stainless steel and the bottom bar is EN 1.7216 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
12 to 23
Fatigue Strength, MPa 180
290 to 440
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 400
410 to 560
Tensile Strength: Ultimate (UTS), MPa 590
650 to 930
Tensile Strength: Yield (Proof), MPa 210
400 to 690

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
420
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
46
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.5
Embodied Energy, MJ/kg 47
20
Embodied Water, L/kg 140
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 110
430 to 1280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
23 to 33
Strength to Weight: Bending, points 20
21 to 27
Thermal Diffusivity, mm2/s 4.3
12
Thermal Shock Resistance, points 13
19 to 27

Alloy Composition

Boron (B), % 0.0015 to 0.0050
0
Carbon (C), % 0.040 to 0.080
0.27 to 0.34
Chromium (Cr), % 17 to 19
0.8 to 1.2
Iron (Fe), % 65.1 to 73.6
97.2 to 98.4
Manganese (Mn), % 0 to 2.0
0.35 to 0.6
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 9.0 to 12
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.035
Titanium (Ti), % 0.4 to 0.8
0